Image to Vector

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Ashish Bhatt
Ashish Bhatt 2011-12-18
评论： juveria fatima 2018-3-30
Hi,
How Can I convert a JPEG image into a vector?
Thanks, Ashish
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Chandra Kurniawan
Chandra Kurniawan 2011-12-18
Vectorization??
Did you mean tracing??
Something such converting raster image to vector??

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Jan
Jan 2011-12-18
It depends.
You cannot convert a "JPEG image". JPEG is a file format and files are stored sequentially always. Therefore it is a kind of vector already.
The contents of the JPEG file can be imported as array using imread:
Img = imread(FileName);
For gray-scale images this is a 2D-matrix, for RGB-JPEGs this is a [Width x Height x 3] array. You can convert both to a vector by:
ImgVector = Img(:);
% Or:
ImgVector = rehsape(Img, 1, []);
But I cannot imagine how this could be useful.
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Ashish Bhatt
Ashish Bhatt 2011-12-20
Thank you Walter. That helps.
juveria fatima
juveria fatima 2018-3-30
how to get back image from vector

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